Water Heating Calculator
Calculate time and energy needed to heat water
How to Use
Required Information
- Water Volume:
Amount of water to heat in gallons or liters
- Temperatures:
Initial and target temperatures in °F or °C
Common Settings
- Water Heater Power:
Tankless: 7,000-27,000W
Tank: 3,000-4,500W - Typical Temperatures:
Shower: 105°F (40°C)
Hot Water Tank: 120-140°F (49-60°C)